Is Losing Weight With Diet Alone Enough to Succeed?

Photo by Diana_Pole

If a Martian walked through the door right now wanting to know about life on Earth, I’d struggle explaining two things:

1. I’m a bit shaky on how Noah managed to create the refrigeration system to keep polar bears cold and the lions hot in his ark (any chance it’s all bullcrap?).
2. Also, I’d need at least two hours to explain why U.S. customary system is…